The bacteria that cause Chlamydia, the world's most common sexually transmitted disease, seems to be sneakier than once thought, as a new study suggests it frequently exchanges DNA between different strains to form entirely new strains. Chlaymydia is caused by the bacteria Chlamydia trachomatis, and though its symptoms are often...
For parts of North America, this winter was the winter that nearly wasn't. January ranked as the fourth-warmest for the 48 U.S. states on record since 1895. December, too, was above average, although not as significantly. The final analysis for February is not yet in, but weather watchers expect last...